Learn all about fuel pump relays, how they work, signs that the component is failing, how to diagnose, and many maintenance tips to extend its service life. You cannot drive a car with a bad fuel pump relay.Ī poor or malfunctioning fuel pump relay displays symptoms to let the driver know that something is wrong. If there is a problem with the fuel pump relay, there will be issues with the fuel pump. “Relay” translates to “to receive and transmit.” When the ignition is turned on, the job of the fuel pump relay is to supply the necessary voltage to the fuel pump. There are multiple reasons why a fuel pump can go bad.
This component can be found inside a vehicle’s fuel tank and it is responsible for creating pressure through the fuel lines so gasoline is pushed to the combustion engine.
Modern-day engines require a specific amount of fuel to function properly.
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